“unlike some other 3-D printed guns, he didn’t attempt to build the most complex moving parts or stress-absorbing elements from plastic; its store-bought Glock barrel, hammer, firing pin, bolts, and springs are all metal. Despite those metal shortcuts, the Shuty’s semi-automatic features represent another incremental step in the improvement of homemade weapons manufactured with digital DIY tools.”

If criminally-minded people find out about pipes, springs and wikihow, we’re all doomed.